Sandblast machine



1.1 is a side view of a sandblast machine showing my new design;

1.2 is a side view thereof, from a side opposite that of view 1.2;

1.3 is another side view thereof;

1.4 is a side view thereof, opposite that of view 1.3;

1.5 is another side view thereof.

The broken lines in views 1.1-1.5 are for the purpose of illustrating the environment of the sandblast machine and form no part of the claimed design. 

CLAIM The ornamental design for a sandblast machine, as shown and described. 